Electronics R-1-N1 User Manual
RPM (R-1)RPM (R-1)
RPM (R-1)
RPM (R-1)RPM (R-1)
Operating and Installation InstructionsOperating and Installation Instructions
Operating and Installation Instructions
Operating and Installation InstructionsOperating and Installation Instructions
OI 0517911
Rev. C 9/24/97 *
You must read this manual before installing or operating the instrument. This
manual contains warranty and other information that may affect your decision
to install this product and/or the safety of your aircraft.
5/17/91
Model:Model:
Model:
Model:Model:
S/N:S/N:
S/N:
S/N:S/N:
Electronics International Inc. Electronics International Inc.
Electronics International Inc.
Electronics International Inc. Electronics International Inc.
63296 Powell Butte Hwy • Bend, OR 97701 • (541) 318-6060 • Buy-EI.com63296 Powell Butte Hwy • Bend, OR 97701 • (541) 318-6060 • Buy-EI.com
63296 Powell Butte Hwy • Bend, OR 97701 • (541) 318-6060 • Buy-EI.com
63296 Powell Butte Hwy • Bend, OR 97701 • (541) 318-6060 • Buy-EI.com63296 Powell Butte Hwy • Bend, OR 97701 • (541) 318-6060 • Buy-EI.com
®®
®
®®
Important NoticeImportant Notice
Important Notice
Important NoticeImportant Notice
***** MUST READ ********** MUST READ *****
***** MUST READ *****
***** MUST READ ********** MUST READ *****
If you think it is not important to read this manual, you're wrong!If you think it is not important to read this manual, you're wrong!
If you think it is not important to read this manual, you're wrong!
If you think it is not important to read this manual, you're wrong!If you think it is not important to read this manual, you're wrong!
This manual contains important installation information that may affectThis manual contains important installation information that may affect
This manual contains important installation information that may affect
This manual contains important installation information that may affectThis manual contains important installation information that may affect
the safety of your aircraft, delay your installation or affect the operationthe safety of your aircraft, delay your installation or affect the operation
the safety of your aircraft, delay your installation or affect the operation
the safety of your aircraft, delay your installation or affect the operationthe safety of your aircraft, delay your installation or affect the operation
of your instrument. You of your instrument. You
of your instrument. You
of your instrument. You of your instrument. You
instrument. instrument.
instrument.
instrument. instrument.
responsibility of the installer/pilot and may render the STC invalid.responsibility of the installer/pilot and may render the STC invalid.
responsibility of the installer/pilot and may render the STC invalid.
responsibility of the installer/pilot and may render the STC invalid.responsibility of the installer/pilot and may render the STC invalid.
Check that the instrument make and model marked on the side of the instrument and on the
invoice are correct before starting the installation. A R-1-6 is used on a 6-cylinder engine and a R-14 is used on a 4-cylinder engine. Also, check the invoice for proper tach time.
Check that the limit information on this instrument matches the published limits in your aircraft's
P.O.H. or Flight Manual. Also, this information may be listed in the T.C. Data Sheet for your aircraft.
Any AD's and/or STC's may set forth additional limitations on the operation of your engine. The
limit information listed in the AML is for unmodified aircraft and is intended for reference only.
the aircraft owner's and/or installer's responsibility to determine proper instrumentthe aircraft owner's and/or installer's responsibility to determine proper instrument
the aircraft owner's and/or installer's responsibility to determine proper instrument
the aircraft owner's and/or installer's responsibility to determine proper instrumentthe aircraft owner's and/or installer's responsibility to determine proper instrument
calibration and range markings using the aircraft's P.O.H.calibration and range markings using the aircraft's P.O.H.
calibration and range markings using the aircraft's P.O.H.
calibration and range markings using the aircraft's P.O.H.calibration and range markings using the aircraft's P.O.H.
Any deviation from these installation instructions is the soleAny deviation from these installation instructions is the sole
Any deviation from these installation instructions is the sole
Any deviation from these installation instructions is the soleAny deviation from these installation instructions is the sole
MustMust
Must
MustMust
read this manual prior to installing your read this manual prior to installing your
read this manual prior to installing your
read this manual prior to installing your read this manual prior to installing your
It isIt is
It is
It isIt is
On the front of this instrument you will find a red light marked with the maximum RPM information. If there are any additional red or yellow lights on this instrument, the operating range of these
lights can be found on a sticker located on the side of the instrument (see the AML at the back of this
manual to decode this information). This instrument designates any "Caution Range" with yellow
LEDs, any "Maximum and Minimum Limits" with Red LEDs and the "Safe Operating Range" with
green LEDs. The "Safe Operating Range" on this instrument is equivalent to the green "Normal
Operating Range" and any unmarked areas on a analog gauge.
Read the Warranty / AgreementRead the Warranty / Agreement
Read the Warranty / Agreement. There is information in the Warranty / Agreement that may
Read the Warranty / AgreementRead the Warranty / Agreement
alter your decision to install this product.
Agreement, do not install this productAgreement, do not install this product
Agreement, do not install this product. This product may be returned for a refund. Contact
Agreement, do not install this productAgreement, do not install this product
Electronics International inc. for details.
It is possible for any instrument to fail thereby displaying inaccurate high, low or jumpy RPM
readings. Therefore, you must be able to recognize an instrument failure and you must be proficient
in operating your aircraft safely in spite of an RPM instrument failure. If you do not have this knowledge, contact the FAA or a local flight instructor for training.
The pilot
anyone to operate the aircraft that does not know the operation of this product. Keep the Operating
Manual in the aircraft at all times.
must must
must understand the operation of this product before flying the aircraft. Do not allow
must must
If you do not accept the terms of the Warranty /If you do not accept the terms of the Warranty /
If you do not accept the terms of the Warranty /
If you do not accept the terms of the Warranty /If you do not accept the terms of the Warranty /
Rev. C 9/24/97*
ContentsContents
Contents
ContentsContents
Warranty ..............................................................................Warranty ..............................................................................
Warranty ..............................................................................
Warranty ..............................................................................Warranty ..............................................................................
Operating Instructions ............................................................Operating Instructions ............................................................
Operating Instructions ............................................................
Operating Instructions ............................................................Operating Instructions ............................................................
Instrument ---------------------------------------------------------------------------------------- 3
Analog Display ----------------------------------------------------------------------------------- 3
Digital Display ------------------------------------------------------------------------------------ 3
Mag Drop ----------------------------------------------------------------------------------------- 4
Tach Time ---------------------------------------------------------------------------------------- 4
Flight Timer and Peak RPM -------------------------------------------------------------------- 5
Installation Instructions ..........................................................Installation Instructions ..........................................................
Installation Instructions ..........................................................
Installation Instructions ..........................................................Installation Instructions ..........................................................
Important Information and Initial Check Out -------------------------------------------------- 5
Route The Circular Connector ------------------------------------------------------------------ 6
Install the Isolators ------------------------------------------------------------------------------- 6
Route the Pickup Wires ------------------------------------------------------------------------- 7
Route the Power and Ground Wires ----------------------------------------------------------- 7
Route the Backlight Wires: ---------------------------------------------------------------------- 7
Route the External Warning Control Line ----------------------------------------------------- 8
Install the Instrument in the Panel -------------------------------------------------------------- 8
Connect the Circular Connector to the Instrument ------------------------------------------- 8
Check Instrument Operation --------------------------------------------------------------------- 8
22
2
22
33
3
33
55
5
55
Wiring Diagram .....................................................................Wiring Diagram .....................................................................
Wiring Diagram .....................................................................
Wiring Diagram .....................................................................Wiring Diagram .....................................................................
R-1 Circular Connector ..........................................................R-1 Circular Connector ..........................................................
R-1 Circular Connector ..........................................................
R-1 Circular Connector ..........................................................R-1 Circular Connector ..........................................................
Specifications and Operating Features ......................................Specifications and Operating Features ......................................
Specifications and Operating Features ......................................
Specifications and Operating Features ......................................Specifications and Operating Features ......................................
STC Information ...................................................................STC Information ...................................................................
STC Information ...................................................................
STC Information ...................................................................STC Information ...................................................................
1
1010
10
1010
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1111
1212
12
1212
1313
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1313
WW
arranty / Agreementarranty / Agreement
W
arranty / Agreement
WW
arranty / Agreementarranty / Agreement
Electronics International Inc. warrants this instrument and system components to be free from defects in
materials and workmanship for a period of one year from the user invoice date. Electronics International
Inc. will repair or replace any item under the terms of this Warranty provided the item is returned to the
factory prepaid.
1. This Warranty shall not apply to any product that has been repaired or altered by any person other than
Electronics International Inc., or that has been subjected to misuse, accident, incorrect wiring, negligence,
This warranty does notThis warranty does not
improper or unprofessional assembly or improper installation by any person.
cover any reimbursement for any person’s time for installation, removal, assembly or repair.cover any reimbursement for any person’s time for installation, removal, assembly or repair.
cover any reimbursement for any person’s time for installation, removal, assembly or repair.
cover any reimbursement for any person’s time for installation, removal, assembly or repair.cover any reimbursement for any person’s time for installation, removal, assembly or repair.
Electronics International retains the right to determine the reason or cause for warranty repair.
2. This warranty does not extend to any machine, vehicle, boat, aircraft or any other device to which the
Electronics International Inc. product may be connected, attached, interconnected or used in conjunction
with in any way.
3. The obligation assumed by Electronics International Inc. under this warranty is limited to repair, replacement or refund of the product, at the sole discretion of Electronics International Inc.
4. Electronics International Inc. is not liable for expenses incurred by the customer or installer due to
factory updates, modifications, improvements, upgrades, changes, or any other alterations to the product
that may affect the form, fit, function or operation of the product.
This warranty does not
This warranty does notThis warranty does not
5. Personal injury or property damage do to misinterpretation or lack of understanding this product is
solely the pilots responsibility. The pilot
aircraft. Do not allow anyone to operate the aircraft that does not know the operation of this product.
Keep the Operating Manual in the aircraft at all times.
6. E. I. Inc. is not responsible for shipping charges or damages incurred under this Warranty.
7. No representative is authorized to assume any other liability for Electronics International Inc. in connection with the sale of Electronics International Inc. products.
If you do not agree to and accept the terms of this warranty, you may return the productIf you do not agree to and accept the terms of this warranty, you may return the product
8.
If you do not agree to and accept the terms of this warranty, you may return the product
If you do not agree to and accept the terms of this warranty, you may return the productIf you do not agree to and accept the terms of this warranty, you may return the product
for a refund.for a refund.
for a refund.
for a refund.for a refund.
This Warranty is made only to the original user.
OTHER WARRANTIES OR OBLIGATIONS: EXPRESS OR IMPLIED. MANUFAC-OTHER WARRANTIES OR OBLIGATIONS: EXPRESS OR IMPLIED. MANUFAC-
OTHER WARRANTIES OR OBLIGATIONS: EXPRESS OR IMPLIED. MANUFAC-
OTHER WARRANTIES OR OBLIGATIONS: EXPRESS OR IMPLIED. MANUFAC-OTHER WARRANTIES OR OBLIGATIONS: EXPRESS OR IMPLIED. MANUFACTURER EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANT-TURER EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANT-
TURER EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANT-
TURER EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANT-TURER EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. PURCHASER AGREESABILITY OR FITNESS FOR A PARTICULAR PURPOSE. PURCHASER AGREES
ABILITY OR FITNESS FOR A PARTICULAR PURPOSE. PURCHASER AGREES
ABILITY OR FITNESS FOR A PARTICULAR PURPOSE. PURCHASER AGREESABILITY OR FITNESS FOR A PARTICULAR PURPOSE. PURCHASER AGREES
THAT IN NO EVENT SHALL MANUFACTURER BE LIABLE FOR SPECIAL, INCI-THAT IN NO EVENT SHALL MANUFACTURER BE LIABLE FOR SPECIAL, INCI-
THAT IN NO EVENT SHALL MANUFACTURER BE LIABLE FOR SPECIAL, INCI-
THAT IN NO EVENT SHALL MANUFACTURER BE LIABLE FOR SPECIAL, INCI-THAT IN NO EVENT SHALL MANUFACTURER BE LIABLE FOR SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS OR LOSSDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS OR LOSS
DENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS OR LOSS
DENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS OR LOSSDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS OR LOSS
OF USE OR OTHER ECONOMIC LOSS. EXCEPT AS EXPRESSLY PROVIDEDOF USE OR OTHER ECONOMIC LOSS. EXCEPT AS EXPRESSLY PROVIDED
OF USE OR OTHER ECONOMIC LOSS. EXCEPT AS EXPRESSLY PROVIDED
OF USE OR OTHER ECONOMIC LOSS. EXCEPT AS EXPRESSLY PROVIDEDOF USE OR OTHER ECONOMIC LOSS. EXCEPT AS EXPRESSLY PROVIDED
HEREIN, MANUFACTURER DISCLAIMS ALL OTHER LIABILITY TO PURCHASERHEREIN, MANUFACTURER DISCLAIMS ALL OTHER LIABILITY TO PURCHASER
HEREIN, MANUFACTURER DISCLAIMS ALL OTHER LIABILITY TO PURCHASER
HEREIN, MANUFACTURER DISCLAIMS ALL OTHER LIABILITY TO PURCHASERHEREIN, MANUFACTURER DISCLAIMS ALL OTHER LIABILITY TO PURCHASER
OR ANY OTHER PERSON IN CONNECTION WITH THE USE OR PERFORMANCEOR ANY OTHER PERSON IN CONNECTION WITH THE USE OR PERFORMANCE
OR ANY OTHER PERSON IN CONNECTION WITH THE USE OR PERFORMANCE
OR ANY OTHER PERSON IN CONNECTION WITH THE USE OR PERFORMANCEOR ANY OTHER PERSON IN CONNECTION WITH THE USE OR PERFORMANCE
OF MANUFACTURER’S PRODUCTS, INCLUDING SPECIFICALLY LIABILITY INOF MANUFACTURER’S PRODUCTS, INCLUDING SPECIFICALLY LIABILITY IN
OF MANUFACTURER’S PRODUCTS, INCLUDING SPECIFICALLY LIABILITY IN
OF MANUFACTURER’S PRODUCTS, INCLUDING SPECIFICALLY LIABILITY INOF MANUFACTURER’S PRODUCTS, INCLUDING SPECIFICALLY LIABILITY IN
TORT.TORT.
TORT.
TORT.TORT.
must must
must understand the operation of this product before flying the
must must
THIS WARRANTY IS IN LIEU OF ALLTHIS WARRANTY IS IN LIEU OF ALL
THIS WARRANTY IS IN LIEU OF ALL
THIS WARRANTY IS IN LIEU OF ALLTHIS WARRANTY IS IN LIEU OF ALL
2
Operating InstructionsOperating Instructions
Operating Instructions
Operating InstructionsOperating Instructions
R-1R-1
R-1
R-1R-1
Instrument:Instrument:
Instrument:
Instrument:Instrument:
The R-1 is a precision RPM instrument featuring a 210 degree analog display and a full four-digit
digital display. These two displays have many advantages over conventional analog gauges as described
below.
Also, the R-1 features long-term accuracy and reliability. Since the R-1 does not incorporate any
moving parts (needles, bearings, springs, etc.) there is little to go wrong or wear out. The internal microprocessor assures accuracy and repeatability.
Analog Display:Analog Display:
Analog Display:
Analog Display:Analog Display:
The 210 degree analog display provides a quick reference of the engine’s RPM with respect to its
operating range. With a glance you can get a relative idea of how close to the maximum RPM limit the
engine is being operated and approximately how far the RPM has to increase to reach its limit. Precise
information is provided in the digital display.
0517911
An advantage of the analog display is its ability to emit a green, yellow or red light. With a quick
glance you can determine if you’re operating in a normal, caution or restricted range. Also, when you
exceed a maximum limit the red light will blink 20 times at full intensity to catch your attention and warn
you that a maximum limit has been violated. After 20 blinks the red light will stop blinking and display
continuous red so it does not distract you. The digital display will continue to display accurate RPM
readings well beyond the red line limit of the analog display.
During night operation the analog lights may be too bright. If so, turn the panel light rheostat up and
the analog lights will dim. The red (maximum limit) light will always be displayed at full intensity.
Digital Display:Digital Display:
Digital Display:
Digital Display:Digital Display:
The digital display provides RPM information in 10 RPM increments. This allows for precise setting
and monitoring of the engine RPM. Also, the digital display is excellent for monitoring trends or changes
in the engine’s performance.
For aircraft fitted with a fixed pitch prop a relative indication of an engine’s ability to produce power
can be measured by accurately monitoring the engine’s RPM during the first 5 seconds of a full power
take-off. A normal reduction in power will occur from high outside air temperatures, high altitudes and
excessively rich mixtures. Getting to know your engine’s normal take-off RPM can go a long way in
detecting engine problems early.
3
Rev. A: 6/16/92
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